388686320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{5591}}^1$

素因数の和:5694

約数の個数: 80

約数和(自身を含む): 998507520

約数和(自身を除く): 609821200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 79, 80, 88, 110, 158, 176, 220, 316, 395, 440, 632, 790, 869, 880, 1264, 1580, 1738, 3160, 3476, 4345, 5591, 6320, 6952, 8690, 11182, 13904, 17380, 22364, 27955, 34760, 44728, 55910, 61501, 69520, 89456, 111820, 123002, 223640, 246004, 307505, 441689, 447280, 492008, 615010, 883378, 984016, 1230020, 1766756, 2208445, 2460040, 3533512, 4416890, 4858579, 4920080, 7067024, 8833780, 9717158, 17667560, 19434316, 24292895, 35335120, 38868632, 48585790, 77737264, 97171580, 194343160, 388686320]

約数ペア:

[(1, 388686320), (2, 194343160), (4, 97171580), (5, 77737264), (8, 48585790), (10, 38868632), (11, 35335120), (16, 24292895), (20, 19434316), (22, 17667560), (40, 9717158), (44, 8833780), (55, 7067024), (79, 4920080), (80, 4858579), (88, 4416890), (110, 3533512), (158, 2460040), (176, 2208445), (220, 1766756), (316, 1230020), (395, 984016), (440, 883378), (632, 615010), (790, 492008), (869, 447280), (880, 441689), (1264, 307505), (1580, 246004), (1738, 223640), (3160, 123002), (3476, 111820), (4345, 89456), (5591, 69520), (6320, 61501), (6952, 55910), (8690, 44728), (11182, 34760), (13904, 27955), (17380, 22364)]